Por un escritor de hombre misterioso
Un resumen sobre los concentrados de marihuana, cómo se fabrican, cómo se usan y cómo afectan la salud.
NIDAMED: Clinical Resources National Institute on Drug Abuse (NIDA)
Marijuana - Rutgers Addiction Research Center (RARC)
Federal Agency Sets a New Standard THC Dose For Cannabis Research, News
Cannabis (Marijuana) Concentrates DrugFacts
Concentrados de Marihuana Drugfacts, PDF, Cannabis (Droga)
DrugFacts en español National Institute on Drug Abuse (NIDA)
Cannabis for Harm Reduction
The National Institute on Drug Abuse - NIDA
Marijuana, hallucinogen use at all-time high among young adults
Cannabis (psicotrópico) - Wikipedia, la enciclopedia libre
NIDA: Marijuana: Facts Parents Need to Know Brochure - RAM - Rethinking Access to Marijuana
Hashish - Wikipedia
Cannabis - Science vs Fiction - BognerHealth